Can someone offer a definition on Avaya support levels or tier? For example, what is each level or tier responsible for when it comes to technical support on an Avaya Aura, System Platform, Call Manager, Definity, S8XXX, or voice mails? Also, can you offer some examples of system issues that will involve a technician to include what his/her level of expetise should be. I have worked with many technicians who in my opinion, their skill levels did not match the problem they were trying to solve. As always, your responses will be greatly appreciated.